52215995 has 8 divisors (see below), whose sum is σ = 67479216. Its totient is φ = 38559456.

The previous prime is 52215983. The next prime is 52216019. The reversal of 52215995 is 59951225.

52215995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52215995 - 2⁸ = 52215739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401597 + ... + 401726.

It is an arithmetic number, because the mean of its divisors is an integer number (8434902).

Almost surely, 2^52215995 is an apocalyptic number.

52215995 is a deficient number, since it is larger than the sum of its proper divisors (15263221).

52215995 is a wasteful number, since it uses less digits than its factorization.

52215995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803341.

The product of its digits is 40500, while the sum is 38.

The square root of 52215995 is about 7226.0635895348. The cubic root of 52215995 is about 373.7671990534.

The spelling of 52215995 in words is "fifty-two million, two hundred fifteen thousand, nine hundred ninety-five".